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Panix offers pre-configured sDSL hardware for use or purchase. We generally do not support hardware that we do not provide. On the other hand, you're unlikely to find sDSL hardware available at a better price.

If you change your hardware's configuration without first contacting Panix, and then require Panix's help to reconfigure it, your account will be subject to a $50 charge.

If you have questions about choosing the right hardware, please send email to dsl@panix.com, or call us at 212-741-4400 (option 3).

Netopia 4652 SDSL Router:

The Netopia 4652 SDSL Router provides excellent network performance in a compact case. Security features are quite good, with "packet filtering" and NAT onboard. Panix will configure these features to suit your needs. Using NAT, you can run your entire network from a single real IP address.

This router can connect an unlimited number of computers to your DSL line.

See Netopia's product specs for more details on this item.

Price to purchase: Market Rate (with manufacturer's warranty) plus sales tax

If you're using unroutable IP addresses, this of course makes your network quite secure, but then how can people reach you (or more specifically, your web and mail servers, and whatever else you want them to be able to reach)?

NAT solves this problem. It takes a single address that is routable (for example, an address provided to you by Panix, which would probably look like 166.84.x.y) and modifies all the traffic coming to and from your network, so that outsiders see all your traffic as coming from that single routable address. It keeps track of how it "lies" to the outside world, so that traffic (such as web pages) headed for different users on your net is properly segregated, even though it was all sent to the same address. Your NAT router will also notice when a mail or web request comes to it, and forwards that request transparently (unobtrusively) to the real mail or web server on your net, if you want it to do that. In short, everything Just Works, even if the explanation seems a bit confusing. As an incidental benefit, NAT protects you from many security exposures, since most machines on the inside of your NAT network won't be attackable from the outside at all.

NAT can get more complicated (for example, on Cisco routers, you can use several routable addresses for the outside world to see, and treat traffic for them in different ways) but most users will never need this level of configurability.

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